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You have reached the CCN Inventory Tool Detailed Insights Report.

Congratulations! This geography has available data.

Potential data availability within the Inventory Tool ranges from Tier I, Tier II, or Tier III Carbon stock estimates.

  • Tier I: Global sediment carbon stock estimates.

  • Tier II: Country- or territory-level sediment carbon stock estimates.

  • Tier III: Modeled country- or territory-level sediment carbon stock estimates.

This document includes country-specific insights and more detailed analysis, including carbon stocks, emissions factors, and ecosystem wetland area for mangrove, marsh, and seagrass habitats. This report details information for the selected geography, Vietnam.

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This map represents the area of Vietnam and the locations of both soil cores and vegetation samples included in the Coastal Carbon Atlas.

Total Carbon Stock Estimates

Total Carbon stock estimates were calculated for each geography in total, and for mangrove, tidal marsh, and seagrass habitats, when available.

We estimate that Vietnam contains a mean estimate of 59310000 megagrams per hectare sediment carbon stock.

We estimate that Vietnam contains between 68170000 to 50450000 megagrams per hectare sediment carbon to a depth of 1 m, with a mean estimate of 59310000 megagrams per hectare.

Total Geography Level Carbon Stocks
Country Territory Total Stocks Upper CI Lower CI
Vietnam Vietnam 59310000 50450000 68170000
Country Territory Habitat Total Stock Lower CI Upper CI Standard Error
Vietnam Vietnam Mangrove 58970000 50200000 67740000 4568000

This total estimate includes total mangrove soil carbon stocks, with a mean estimate of 58970000 megagrams per hectare soil carbon to a depth of 1 meter.

Country Territory Habitat Total Stock Lower CI Upper CI Standard Error
Vietnam Vietnam Marsh 345100 252000 438300 48530

This total estimate also includes total tidal marsh carbon stocks, with a mean estimate of 345100 megagrams per hectare soil carbon to a depth of 1 meter.

Territory Habitat Total Stock
Vietnam Seagrass 1700000

This estimate also includes seagrass soil carbon stocks for Vietnam which we estimate to have a mean of 1700000 megagrams per hectare sediment carbon stock.

Wetland Areas and Activities

We estimate mangrove area in Vietnam to be 186000 to 245500 hectares, with a mean estimate of 211800 hectares according to Global Mangrove Watch, Bunting et al. (2018).

We estimate tidal marsh area in Vietnam to be 819.8 to 1530 hectares, with a mean estimate of 1354 according to Worthington et al. (2024).

We estimate seagrass area to be Vietnam to be a mean of 15740 hectares, according to McKenzie et al. (2020), which aggregates global seagrass data from a number of sources.

Calculated Stocks and Emissions Factors

This section of the report details whether data is available to estimate Tier I, Tier II, or Tier III value estimates for tidal marsh, mangrove, and seagrass ecosystems in Vietnam.

If data for the selected country is available in the Coastal Carbon Atlas, we have applied a Tier II emission factor based on a simple average of country specific data queried from the Atlas.

Within the Coastal Carbon Atlas, data from the selected geography, Vietnam, includes soil samples, but does not yet include vegetation samples.

Soil core data from Vietnam included in the Coastal Carbon Atlas consists of 184 soil profiles from 42 sites. This data comes from 1 distinct habitat type(s).

In the case that there is not yet any country specific information in the Coastal Carbon Atlas, we instead applied IPCC Tier I estimate, which are estimated global values. IPCC Global estimates for mangrove, marsh, and seagrass ecosystems are listed below.

The table titled “Availiability of Territory-Level Data” in this section also details whether the calculated Tier II, or territory-level sediment carbon stock value is significantly different from the estimated global values. This is observed in the “Reporting Insight” column, and can be helpful in observing when a habitat has a higher or lower estimated sediment carbon stock value than the IPCC Global estimates.

IPCC Global Value Estimates (Mg per hectare)
Habitat Mean Lower_CI Upper_CI
mangrove 386 351 424
marsh 255 254 297
seagrass 108 84 139

Data Availiability by Tier - Reporting Insight

Availiability of Territory-Level Data
Country Territory Habitat Tier Reporting Insight
Vietnam Vietnam mangrove Territory-Level Territory-level average is significantly less than global value
Vietnam Vietnam marsh Global No Tier II data available at this time
Vietnam Vietnam seagrass Global No Tier II data available at this time

Tier I Carbon Stocks - Global Estimates

This section includes estimated global sediment carbon stocks included for Vietnam. In the case that all habitats; mangrove, tidal marsh, and seagrass have availiable territory-level estimates, please refer to Table 2: IPCC Tier I Value Estimates for applicable global values.

Tier II: Territory Level Carbon Stocks

This table includes country or territory level sediment carbon stock estimates for Vietnam. Estimates in this table were derived from available soil core data queried from the Coastal Carbon Atlas.

A selected country may have available territory-level values for one or multiple habitats, this is dependent on core data accessible through the Coastal Carbon Atlas. If a territory has habitat area, but that respective habitat type does not have an associated territory-level stock estimate, there is insufficient core data in the Coastal Carbon Atlas to estimate sediment carbon stock. At the time of analysis, referencing Version 1.5.0 of the Coastal Carbon Atlas and Data Library, Vietnam is represented by a total of 184 cores across 1 distinct habitats.

Tier II: Territory-Level Carbon Stock Estimates
Country Territory Habitat Mean Stock (MgHa) Lower CI Upper CI Standard Error
Vietnam Vietnam mangrove 278 262 294 8.14

Tier III Carbon Stocks

Tier III: modeled sediment carbon stocks were estimated, when available, using remote sensing data from Maxwell et al 2021 and Sanderman et al 2018. The table below details whether estimated values are available for any habitat in Vietnam, and details any overlap with associated global or territory-level estimates.

If there are no modeled estimates associated with the selected geography and specific habitat of interest, please refer to above tables of global and territory-level sediment carbon stocks.

Tier III: Modeled Carbon Stock Estimates
Country Territory Habitat Mean Stock (MgHa) Lower CI Upper CI
Vietnam Vietnam mangrove 262 220 304

In the selected geography, modeled estimated stock MgHa values are, less than territory-level values estimated from Coastal Carbon Atlas Data. In this case, the modeled Remote-sensing esimate overlaps country-specific average. Additionally, estimated modeled stock values derived from remote sensing are less than estimates global IPCC values. In this case, the modeled Remote-sensing esimate is significantly less than Tier I global estimates.

Visualizations

1. Data Metrics

2. Emissions Factors

3. Activity Data

References

Bukoski, Jacob J., Jeremy S. Broadhead, Daniel C. Donato, Daniel Murdiyarso, and Timothy G. Gregoire. 2017. “The Use of Mixed Effects Models for Obtaining Low-Cost Ecosystem Carbon Stock Estimates in Mangroves of the Asia-Pacific.” Edited by Shing Yip Lee. PLOS ONE 12 (1): e0169096. https://doi.org/10.1371/journal.pone.0169096.
Bunting, Pete, Ake Rosenqvist, Richard M. Lucas, Lisa-Maria Rebelo, Lammert Hilarides, Nathan Thomas, Andy Hardy, Takuya Itoh, Masanobu Shimada, and C. Max Finlayson. 2018. “The Global Mangrove Watch—a New 2010 Global Baseline of Mangrove Extent.” Remote Sensing 10 (10): 1669. https://doi.org/10.3390/rs10101669.
Dung, Luu Viet, Nguyen Tai Tue, Mai Trong Nhuan, and Koji Omori. 2016. “Carbon Storage in a Restored Mangrove Forest in Can Gio Mangrove Forest Park, Mekong Delta, Vietnam.” Forest Ecology and Management 380 (November): 31–40. https://doi.org/10.1016/j.foreco.2016.08.032.
Loi, Tan, Ni, and Hang. 2015. “The Effects of Land Surface Elevation on Belowground Carbon Accumulation of Mangrove Ecosystem at the Ong Trang Sand Bar, Ngoc Hien District, Ca Mau Province.” Unknown.
MacKenzie, Richard A., Patra B. Foulk, J. Val Klump, Kimberly Weckerly, Joko Purbospito, Daniel Murdiyarso, Daniel C. Donato, and Vien Ngoc Nam. 2016. “Sedimentation and Belowground Carbon Accumulation Rates in Mangrove Forests That Differ in Diversity and Land Use: A Tale of Two Mangroves.” Wetlands Ecology and Management 24 (2): 245–61. https://doi.org/10.1007/s11273-016-9481-3.
McKenzie, Len J, Lina M Nordlund, Benjamin L Jones, Leanne C Cullen-Unsworth, Chris Roelfsema, and Richard K F Unsworth. 2020. “The Global Distribution of Seagrass Meadows.” Environmental Research Letters 15 (7): 074041. https://doi.org/10.1088/1748-9326/ab7d06.
N., Vien N., Sasmito S. D., Murdiyarso D. S. D., Purbopuspito J., and MacKenzie R. A. 2019a. “SWAMP Dataset-Mangrove Soil Carbon-Can Gio-2012.” SWAMP Dataset-Mangrove Soil Carbon-Can Gio-2012. Center for International Forestry Research (CIFOR); World Agroforestry Centre (ICRAF). https://doi.org/10.17528/cifor/data.00148.
N., Vien N., Sasmito S. D., Murdiyarso D., Purbopuspito J., and MacKenzie R. A. 2019b. “SWAMP Dataset-Mangrove Soil Carbon-Ca Mau-2012.” SWAMP Dataset-Mangrove Soil Carbon-Ca Mau-2012. Center for International Forestry Research (CIFOR); World Agroforestry Centre (ICRAF). https://doi.org/10.17528/cifor/data.00149.
Nam, Vien Ngoc, Sigit D. Sasmito, Daniel Murdiyarso, Joko Purbopuspito, and Richard A. MacKenzie. 2016a. “Carbon Stocks in Artificially and Naturally Regenerated Mangrove Ecosystems in the Mekong Delta.” Wetlands Ecology and Management 24 (2): 231–44. https://doi.org/10.1007/s11273-015-9479-2.
———. 2016b. “Carbon Stocks in Artificially and Naturally Regenerated Mangrove Ecosystems in the Mekong Delta.” Wetlands Ecology and Management 24 (2): 231–44. https://doi.org/10.1007/s11273-015-9479-2.
P., Green E., and Short F. T. 2003. World Atlas of Seagrasses. University of California Press, Berkeley, USA.
Sanderman, Jonathan. 2017a. “Global Mangrove Soil Carbon: Dataset and Spatial Maps.” Harvard Dataverse. https://doi.org/10.7910/dvn/ocyuit.
———. 2017b. “Global Mangrove Soil Carbon: Dataset and Spatial Maps.” Harvard Dataverse. https://doi.org/10.7910/dvn/ocyuit.
———. 2017c. “Global Mangrove Soil Carbon: Dataset and Spatial Maps.” Harvard Dataverse. https://doi.org/10.7910/dvn/ocyuit.
———. 2017d. “Global Mangrove Soil Carbon: Dataset and Spatial Maps.” Harvard Dataverse. https://doi.org/10.7910/dvn/ocyuit.
———. 2017e. “Global Mangrove Soil Carbon: Dataset and Spatial Maps.” Harvard Dataverse. https://doi.org/10.7910/dvn/ocyuit.
———. 2017f. “Global Mangrove Soil Carbon: Dataset and Spatial Maps.” Harvard Dataverse. https://doi.org/10.7910/dvn/ocyuit.
———. 2017g. “Global Mangrove Soil Carbon: Dataset and Spatial Maps.” Harvard Dataverse. https://doi.org/10.7910/dvn/ocyuit.
Tue, Nguyen Tai, Luu Viet Dung, Mai Trong Nhuan, and Koji Omori. 2014. “Carbon Storage of a Tropical Mangrove Forest in Mui Ca Mau National Park, Vietnam.” CATENA 121 (October): 119–26. https://doi.org/10.1016/j.catena.2014.05.008.
Van Luong, Cao, Nguyen Van Thao, Teruhisa Komatsu, Nguyen Dac Ve, and Dam Duc Tien. 2012. “Status and Threats on Seagrass Beds Using GIS in Vietnam.” In Remote Sensing of the Marine Environment II, edited by Robert J. Frouin, Naoto Ebuchi, Delu Pan, and Toshiro Saino, 8525:852512. SPIE. https://doi.org/10.1117/12.977277.
Worthington, Thomas A., Mark Spalding, Emily Landis, Tania L. Maxwell, Alejandro Navarro, Lindsey S. Smart, and Nicholas J. Murray. 2024. “The Distribution of Global Tidal Marshes from Earth Observation Data.” Global Ecology and Biogeography 33 (8). https://doi.org/10.1111/geb.13852.